Scaffolding

Chicago citation style
Scaffolding. mid 1960s. Retrieved from the Digital Public Library of America, http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll22/id/171. (Accessed December 16, 2018.)
APA citation style
(mid 1960s) Scaffolding. Retrieved from the Digital Public Library of America, http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll22/id/171
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll22/id/171>.
Note: These citations are programmatically generated and may be incomplete.